2 * U-boot - main board file
4 * Copyright (c) 2005-2009 Analog Devices Inc.
6 * Licensed under the GPL-2 or later.
14 #include <asm/blackfin.h>
17 #include <asm/mach-common/bits/otp.h>
19 DECLARE_GLOBAL_DATA_PTR;
23 printf("Board: ADI BF527 EZ-Kit board\n");
24 printf(" Support: http://blackfin.uclinux.org/\n");
28 #ifdef CONFIG_BFIN_MAC
29 static void board_init_enetaddr(uchar *mac_addr)
31 bool valid_mac = false;
33 /* the MAC is stored in OTP memory page 0xDF */
37 ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
38 if (!(ret & OTP_MASTER_ERROR)) {
39 uchar *otp_mac_p = (uchar *)&otp_mac;
41 for (ret = 0; ret < 6; ++ret)
42 mac_addr[ret] = otp_mac_p[5 - ret];
44 if (is_valid_ether_addr(mac_addr))
49 puts("Warning: Generating 'random' MAC address\n");
50 bfin_gen_rand_mac(mac_addr);
53 eth_setenv_enetaddr("ethaddr", mac_addr);
56 int board_eth_init(bd_t *bis)
58 return bfin_EMAC_initialize(bis);
64 #ifdef CONFIG_BFIN_MAC
66 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
67 board_init_enetaddr(enetaddr);
73 #ifdef CONFIG_USB_BLACKFIN
74 void board_musb_init(void)
77 * BF527 EZ-KITs require PG13 to be high for HOST mode
79 gpio_request(GPIO_PG13, "musb-vbus");
80 gpio_direction_output(GPIO_PG13, 1);